CN114684581B

CN114684581B - Plastic envelope chip detects uses loading attachment

Info

Publication number: CN114684581B
Application number: CN202210604153.1A
Authority: CN
Inventors: 李蛇宏; 杨益东
Original assignee: Sichuan Mingtai Microelectronics Technology Co ltd
Current assignee: Sichuan Mingtai Microelectronics Technology Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-23
Anticipated expiration: 2042-05-31
Also published as: CN114684581A

Abstract

The utility model provides a plastic envelope chip detects uses loading attachment, includes feed cylinder and reversing mechanism: the upper charging barrel is of a horn-shaped structure with a large upper part and a small lower part, the top and the bottom of the upper charging barrel are both provided with openings, the inner wall of the upper charging barrel is provided with a first conveying channel, a second conveying channel and a third conveying channel which rise spirally, and a rotating disc is arranged at the opening at the bottom of the upper charging barrel and used for bearing a chip; the first conveying channel, the second conveying channel and the third conveying channel are sequentially used for adjusting and screening multiple postures of the chips, the chips are finally output in two postures, the reversing mechanism is arranged on one side of the upper material barrel, the first conveying channel and the second conveying channel stretch out of the upper material barrel and extend to the reversing mechanism, the reversing mechanism is used for horizontally rotating the chips conveyed by the second conveying channel by 180 degrees and transferring and combining the chips into the first conveying channel for continuous conveying, the device can automatically and regularly arrange the chips in disorder postures into a unique posture through conveying and screening, and the chip detection efficiency is improved.

Description

Plastic envelope chip detects uses loading attachment

Technical Field

The invention belongs to the technical field of chip detection and chip conveying, and particularly relates to a feeding device for plastic package chip detection.

Background

Before the chips are put into use, the chips need to be detected, because the chip structure is small and the number is large, an auxiliary device for automatic feeding is usually adopted to improve the detection efficiency, the chips are orderly arranged into a preset state by the automatic feeding device and then input into detection equipment, and then the chips are subjected to assembly line type detection by the detection equipment. In the process of conveying and arranging chips by a vibration disc of a traditional automatic feeding device, a large number of chips which do not meet the requirements of position states fall to the bottom of the vibration disc, and the feeding efficiency is low; meanwhile, in the feeding process of the vibration disc, due to the fact that chips which do not conform to the preset position state drop, empty conveying path sections exist on the conveying channel, the chips entering the detection equipment cannot be conveyed continuously, idle running of the detection equipment is caused, and detection efficiency is low, so that improvement is needed.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the feeding device for plastic package chip detection, which can automatically arrange and arrange chips with messy postures into a unique posture through conveying and screening so as to arrange and convey the chips to detection equipment, and improve the chip detection efficiency.

In order to realize the purpose of the invention, the following scheme is adopted:

the utility model provides a plastic envelope chip detects uses loading attachment, includes feed cylinder and reversing mechanism:

the upper charging barrel is of a horn-shaped structure with a large upper part and a small lower part, the top and the bottom of the upper charging barrel are both provided with openings, the inner wall of the upper charging barrel is provided with a first conveying channel, a second conveying channel and a third conveying channel which rise spirally, a rotating disc is arranged in the upper charging barrel, and the rotating disc is positioned at the bottom of the upper charging barrel and at the opening of the bottom of the upper charging barrel and is used for bearing chips and conveying the chips to the first conveying channel;

the inlet of the first conveying channel is in contact with the top surface of the rotating disc, and a rotating rod is arranged at the inlet and is used for enabling the chips which rotate along with the rotating disc to enter the first conveying channel in a posture that the top surfaces of the chips face upwards or downwards;

the tail section of the first conveying channel gradually narrows, and the end part of the tail section is provided with a reversing blanking port positioned above the starting section of the second conveying channel, so that chips entering the second conveying channel from the first conveying channel are all adjusted to be in a posture that the top surfaces of the chips are upward or downward and the chips are arranged and conveyed in the width direction; the tail end of the second conveying channel is provided with a first shunt port, the other side of the first shunt port is a starting end of a third conveying channel, an inclined falling plate is arranged at the first shunt port, the lower end of the inclined falling plate is positioned above the rotating disc, clamping plates extending into the second conveying channel are arranged on two sides of the third conveying channel and used for receiving and conveying chips with downward top surfaces to the third conveying channel, and the first shunt port is used for enabling chips with upward top surfaces which are not received by the clamping plates to fall back into the rotating disc through the inclined falling plate;

a second shunt port is arranged at the tail end of the third conveying channel, a second output channel is arranged on the other side of the second shunt port, a first output channel is arranged below the second shunt port, a clamping groove and an L-shaped limiting plate are arranged on the second output channel, the initial point of the clamping groove extends into the third conveying channel, the clamping groove and the L-shaped limiting plate are used for receiving and conveying a chip with pins facing to the inner wall of the upper charging barrel to the second output channel, and the second shunt port is used for enabling the pins which are not received by the clamping groove and the L-shaped limiting plate to fall to the first output channel towards the chip at the center of the upper charging barrel;

the initial sections of the first output channel and the second conveying channel are provided with cylinders, and the output ends of the cylinders are provided with L-shaped push plates which are respectively used for pushing the chips entering the first output channel and the second conveying channel to move forwards;

the reversing mechanism is arranged on one side of the upper charging barrel, the first output channel and the second output channel extend out of the upper charging barrel and extend to the reversing mechanism, and the reversing mechanism is used for horizontally rotating the chips conveyed by the second output channel by 180 degrees and transferring the chips into the first output channel for continuous conveying.

Further, the draw-in groove is formed at last feed cylinder inner wall, and the horizontal segment of L type limiting plate is connected in last feed cylinder inner wall, vertical section and is set up down, and the horizontal segment bottom surface flushes with the draw-in groove upper wall, and the initiating terminal of L type limiting plate has the direction inclined plane.

Furthermore, a baffle is arranged at the end part of the tail section of the first conveying channel, a baffle table extending in the opposite direction to the conveying direction of the first conveying channel is arranged on the inner side of the baffle, a section of inclined guide channel is arranged at the bottom of the reversing blanking port, a vertical guide channel is arranged at the bottom of the inclined guide channel, and a starting section of the second conveying channel is positioned below the vertical guide channel.

Furthermore, the clamping plate and the bottom surface of the second transmission channel are provided with a space, and the height of the space is matched with the vertical distance from the top surface of the chip to the extending sections of the pins.

Further, reversing mechanism locates the end that the second output was said, and locate on the control box, the control box top is equipped with a plurality of landing legs, the landing leg top is equipped with the roof, first output is said and the second output is said and is extended to the roof below, first output is said and the section that the second output is said and is located the roof below is the straightway, and be parallel to each other, and the height that highly is less than the second output of first output is said, first output is said and is stretched out to the outside of control box in the front end, and be connected to check out test set.

Furthermore, the first output channel is arranged at the section of the control box, the front end of the first output channel in the conveying direction is obliquely and downwards arranged, a cover plate is arranged at the top of the first output channel between the upper charging barrel and the control box, a vibrator is arranged at one end, close to the upper charging barrel, of the top plate, and the vibration output end of the vibrator is in contact with the cover plate and used for intermittently knocking the cover plate.

Further, reversing mechanism includes the motor, the carousel, two switching-over boxes, the guide bar, the motor is located on the roof and the output passes the roof back downwards and connects the carousel, the switching-over box is connected in the carousel bottom through a telescopic link respectively, two switching-over boxes are central symmetry and arrange in the guide bar both sides, the control box top is located to the guide bar, be equipped with the direction route that is closed loop and arranges on the guide bar, one side of two switching-over boxes all cooperates in the direction route, in operation, the motor drive carousel is rotatory, the carousel passes through the telescopic link and drives two switching-over boxes and rotate round the guide bar simultaneously, and two switching-over boxes all remove along the orbit of direction route, change with the position of two switching-over boxes in order to realize.

Further, the switching-over box includes bottom opening and one end confined rectangular shape box body, a set of symmetry setting and along box body width direction sliding fit the bottom plate of box body bottom, connect in the extension board of box body one side, connect in the semicircle cover of extension board and locate the round pin axle of semicircle cover inner wall, and the epaxial cover of round pin is equipped with the cylinder, and the cylinder roll fit is in the direction route, and the semicircle cover cooperates in the guide bar outer wall.

Furthermore, the bottom plate outside has a pair of otic placode, wears to be equipped with the gag lever post on the otic placode, and its one end is connected in the box body lateral wall, and the other end has a stopper, wears to be equipped with the spring of butt to box body lateral wall and otic placode on the gag lever post, and the bottom plate bottom is equipped with the ejector pad, and the ejector pad has the inclined plane towards the one side of box body.

Furthermore, the guide path of the guide rod comprises an ascending section, a descending section, a material taking limiting groove and a material placing limiting groove which are mutually communicated, the material taking limiting groove is located on one side of the second output channel, the material placing limiting groove is located on one side of the first output channel, the ascending section and the descending section are both arc-shaped structures, and the material placing limiting groove is in a vertical state.

The invention has the beneficial effects that:

1. chips with messy postures are automatically regulated into two postures through a feeding barrel through conveying and screening, and then the two postures are adjusted into a unique posture through a reversing mechanism and are combined and conveyed to feed detection equipment, so that the feeding efficiency and the chip detection efficiency are improved;

2. in the charging barrel, the chips in the horizontal posture can smoothly pass through the rotating rod at the inlet of the first conveying channel, and the chips in the vertical posture are shifted to the horizontal posture, so that the posture type of the chips entering the charging tray is reduced; the method comprises the steps that the second attitude screening is realized through the arrangement of related structures at a reversing blanking port, the second attitude screening is realized through a first shunting port and a clamping plate, the further attitude screening is realized through a clamping groove and an L-shaped limiting plate which are matched with a second shunting port, and finally chips with two attitudes are respectively sent out of a feeding barrel through a first output channel and a second output channel, wherein the orientations of pins are opposite; at the reversing mechanism, through the reversing box and the reversing related structure, the chips conveyed by the second output channel at the reversing mechanism can be carried, turned by 180 degrees and then combined on the first output channel for output, and finally, the chips are conveyed on the first output channel only in one posture, so that the power-on detection of detection equipment is facilitated, the empty section of a conveying path is reduced, and the detection efficiency is improved.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows an axial schematic of the present invention.

Fig. 2 shows a top view of the invention.

Fig. 3 is a schematic top view of the conveying paths according to the present invention.

FIG. 4 shows a schematic view of the chip of the present invention after it is ejected onto the cartridge.

Fig. 5 shows a schematic position of the first transfer passage entrance and the turn bar of the present invention.

Fig. 6 shows a schematic diagram of the end structure of the first conveying path and the position of the second conveying path.

Fig. 7 shows a state diagram of the chip in the first posture and the chip in the second posture at the reversing blanking opening of the invention.

Fig. 8 is a schematic view showing a state in which the chip in the first posture of the present invention is put into the inclined flow leader.

Fig. 9 shows a schematic view of the chip in the first posture of the present invention entering the vertical flow leader.

Fig. 10 is a schematic view showing a second posture of the chip of the present invention when it enters the reversing blanking port.

Fig. 11 is a schematic diagram showing a second posture of the chip of the present invention after being pushed by the next chip after entering the reversing blanking port.

Fig. 12 is a schematic view showing a state that the chip in the second posture of the present invention falls down after entering the inclined flow guide.

Fig. 13 shows a schematic structure diagram of the second transfer lane end and the third transfer lane start end of the present invention.

Figure 14 shows a cross-sectional view of the card structure and location of the present invention.

Fig. 15 shows the position relationship and structure diagram of the third conveying path, the second output path and the first output path according to the present invention.

Fig. 16 is a sectional view showing the position and structure of the L-shaped restriction plate and the catch groove of the present invention.

Fig. 17 shows a schematic view of the material receiving and discharging positions of the reversing mechanism of the invention.

Fig. 18 shows a schematic view of the instant positions of the reversing boxes on both sides of the reversing mechanism of the invention turned to the same height.

FIG. 19 shows a detection camera position diagram of the present invention.

Fig. 20 shows a schematic view of the reversing box structure of the invention.

Fig. 21 shows an enlarged view of a portion a in fig. 20.

Fig. 22 shows a schematic view of a guide bar side structure of the present invention.

Fig. 23 shows another side schematic view of the guide bar of the present invention.

Fig. 24 shows a schematic diagram of the structure of the chip of the present invention.

The labels in the figure are: a workbench-1, a charging barrel-2, a first conveying channel-21, a rotating rod-211, a blocking platform-212, a reversing blanking port-213, an inclined guide channel-214, a vertical guide channel-215, a cylinder-216, an L-shaped push plate-217, a second conveying channel-22, a clamping plate-221, a first flow dividing port-222, a third conveying channel-23, an L-shaped limiting plate-231, a clamping groove-232, a second flow dividing port-233, a control system-3, a first output channel-31, a cover plate-311, a second output channel-32, a control box-33, a supporting leg-34, a top plate-35, a first output channel supporting rod-36, a second output channel supporting rod-37, a second sealing plate-38, a first sealing plate-39, a reversing mechanism-4, a reversing mechanism-23, a reversing blanking port-213, a clamping groove-232, a second flow dividing port-233, a control system-3, a first output channel-31, a cover plate-311, a second output channel-32, a second output channel supporting rod-37, a second sealing plate-38, a second sealing plate-39, a reversing mechanism-4, a reversing mechanism, a reversing blanking mechanism, a second feeding mechanism, a feeding mechanism and a feeding mechanism, a feeding, The device comprises a motor-41, a rotary disc-42, a reversing box-43, a telescopic rod-431, a box body-432, a bottom plate-433, an ear plate-4331, an inclined plane-4332, a support plate-434, a semicircular sleeve-435, a pin shaft-436, a limiting rod-437, a push block-438, a guide rod-44, an ascending section-441, a descending section-442, a material taking limiting groove-443, a material placing limiting groove-444, a sensor-5, a detection camera-6, a mounting seat-61, a rotary disc-7, a vibrator-8, a chip-9, a pin-91, an extending section-911 and a protruding part-92.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

The embodiment of the application provides a feeding device for plastic package chip detection, which is used for feeding a TO-252-2L integrated package chip during detection, as shown in FIG. 24, a pin 91 is arranged at one end of the TO-252-2L chip 9 in the length direction, a frame protrudes out of a protruding portion 92 of a plastic package body at the other end, the pin 91 protrudes from the middle of one end of the chip 9 and is bent in an S shape TO form a protruding section 911, the bottom of the protruding section 911 of the pin 91 is flush with the bottom surface of the chip 9, the outer end of the protruding section 911 has a preset distance with the end surface of the chip 9, and the bottom surface of the protruding portion 92 is flush with the bottom surface of the chip 9. The vertical distance between the protruding section 911 and the top surface of the chip 9 matches the vertical distance between the projection 92 and the top surface of the chip 9.

As shown in fig. 1 to 4, the apparatus of the present embodiment includes a table 1, a charging barrel 2, a control system 3, a reversing mechanism 4, a sensor 5, a detection camera 6, a rotary disk 7, a vibrator 8, and the like. Go up feed cylinder 2, control system 3, reversing mechanism 4, rolling disc 7 and all locate on workstation 1, go up feed cylinder 2 and rolling disc 7 concentric setting, and rolling disc 7 is located feed cylinder 2 bottom, and control system 3 and reversing mechanism 4 locate feed cylinder 2 one side, are connected with feed cylinder 2 output.

Specifically, as shown in fig. 1 and 2, the upper charging barrel 2 is of a horn-shaped structure with an upper opening and a lower opening, the top end and the bottom end of the upper charging barrel 2 are both open, the rotating disc 7 is located in the opening at the bottom end of the upper charging barrel 2, the outer wall of the rotating disc 7 is in contact fit with the inner wall at the bottom end of the upper charging barrel 2, the rotating disc 7 is driven to rotate by a turntable motor, and the top surface of the rotating disc 7 bears the chip 9 to be loaded. A first conveying channel 21, a second conveying channel 22 and a third conveying channel 23 are arranged on the inner wall of the upper charging barrel 2, and all the conveying channels are spirally arranged along the inner wall of the upper charging barrel 2 from bottom to top in a rising manner; since the first conveying path 21 is located at the initial feeding stage, the number of chips 9 on the first conveying path 21 is large, and thus the length of the first conveying path 21 is set to be the longest. The beginning of the second conveying path 22 is located below the end of the first conveying path 21.

Specifically, as shown in fig. 3 and 5, the entrance of the first conveying path 21 contacts the top surface of the rotary disk 7 to receive the chips 9 from the rotary disk 7, which are rotated by the rotary disk 7, into the first conveying path 21. First transfer way 21 entrance is equipped with bull stick 211, and bull stick 211 rotates through the bull stick motor drive that sets up at first transfer way 21 lateral wall, and bull stick 211 stirs the chip 9 that is in vertical gesture to horizontal gesture through rotating, guarantees under the circumstances that does not influence material loading efficiency that the chip 9 that gets into on the first transfer way 21 is all in the top surface gesture up or down.

Specifically, as shown in fig. 3 and 6, the end of the first conveying path 21 is gradually narrowed, at least one side plate of the end is obliquely arranged, the oblique angle is gradually reduced, the end of the first conveying path 21 is provided with a baffle, and a baffle 212 extending in the opposite direction to the conveying direction of the first conveying path 21 is arranged inside the baffle. As shown in fig. 6 to 12, at the end of the first conveying path 21, a reversing blanking port 213 is formed in the bottom surface of the first conveying path 21, the bottom of the reversing blanking port 213 is connected to an inclined flow guide 214, the bottom of the inclined flow guide 214 is connected to a vertically arranged vertical flow guide 215, and the initial section of the second conveying path 22 is disposed below the end of the first conveying path 21 and below the vertical flow guide 215; the chip 9 on the first conveying path 21 changes from the horizontal posture to the vertical posture as the end of the first conveying path 21 narrows, and the posture of the chip 9 before entering the reversing blanking port 213 is as follows:

the first posture: as shown in fig. 7, the first chip 9 arranged in front of the reversing blanking port 213 has a body length direction in accordance with the moving direction of the first conveying path 21, and the pin 91 is forward or backward;

and a second posture: as shown in fig. 7, the chips 9 arranged second have their body length direction perpendicular to the moving direction of the first conveying path 21, i.e., the body width direction coincides with the moving direction of the first conveying path 21, and the leads 91 are directed upward or downward.

As shown in fig. 7 to 9, when the chip 9 in the first posture enters the reversing blanking port 213, the front end of the chip 9 firstly tilts downward along the reversing blanking port 213 and then moves forward, and the chip 9 slides into the vertical flow guide 215 along the inner wall of the right side of the reversing blanking port 213, so that the main body of the chip 9 entering the vertical flow guide 215 is guided to fall from the vertical flow guide 215 in the second posture, that is, the left and right sides of the main body of the chip 9 in the vertical flow guide 215 are in the same direction as the left and right sides of the inner wall of the vertical flow guide 215, and slide down to the second conveying passage 22 along the inner wall of the upper barrel 2.

As shown in fig. 10, when the chip 9 in the second posture is about to enter the reversing blanking port 213, the chip 9 will first tilt forward, and after tilting, the blocking platform 212 will push against one side of the upper end of the main body of the tilted chip 9, and a part of the lower end of the main body of the chip 9 will temporarily contact the transition between the first conveying channel 21 and the reversing blanking port 213, so that the chip 9 will not fall down temporarily, and then, under the pushing action of the next chip 9, as shown in fig. 11 and 12, the lower end of the chip 9 at the reversing blanking port 213 will move forward, so that the whole chip 9 enters the reversing blanking port 213, and then enters the tilted flow guide 214, and then the chip 9 falls down from the vertical flow guide 215 to the second conveying channel 22 in the second posture under the guidance of the tilted flow guide 214 and the vertical flow guide 215.

Through the shape arrangement of the end section of the first conveying passage 21 and the actions of the blocking platform 212, the reversing blanking port 213, the inclined guide passage 214 and the vertical guide passage 215, the chips 9 all enter the second conveying passage 22 through the vertical guide passage 215 in the second posture. After entering, the chip 9 is transported on the second transportation channel 22 in postures that the top surface or the bottom surface faces upward, the pins 91 and the protruding portions 92 face the two side walls of the second transportation channel 22 respectively, that is, horizontally transported in a width direction arrangement manner, so that the two transportation postures of horizontally transported in a length direction arrangement manner and horizontally transported in a width direction arrangement manner in the first transportation channel 21 are realized, and after entering the second transportation channel 22, the posture of horizontally transported in a width direction arrangement manner is changed.

Specifically, as shown in fig. 6, the second conveying passage 22 is located below the vertical flow guiding passage 215, an air cylinder 216 is disposed at an initial section of the second conveying passage 22, an L-shaped push plate 217 is disposed at an output end of the air cylinder 216, and the L-shaped push plate 217 includes a push plate connected to an output portion of the air cylinder 216 and a sealing plate vertically connected to the push plate. The L-shaped push plate 217 pushes the chip 9 sliding from the inside of the vertical flow guide channel 215 into the second conveying channel 22 forward by the push plate under the action of the air cylinder 216, and the sealing plate blocks the outlet of the vertical flow guide channel 215 in the pushing process.

Specifically, as shown in fig. 3, 13, and 14, the starting end of the third conveying channel 23 is disposed at the end of the second conveying channel 22, and the third conveying channel 23 is disposed at an interval, the interval is the first shunting port 222, the side wall of the starting end of the third conveying channel 23 and the inner wall of the upper barrel 2 corresponding to the starting end of the third conveying channel 23 are both provided with the clamping plates 221, the clamping plates 221 extend into the second conveying channel 22 by a predetermined length, and the distance between the clamping plates 221 and the bottom surface of the second conveying channel 22 matches the vertical distance between the top surface of the chip 9 and the extending sections 911 of the pins 91, or is slightly smaller than the vertical distance between the top surface of the chip 9 and the extending sections 911 of the pins 91. An inclined falling plate is provided at the first diverging port 222, and the lower end of the inclined falling plate is located above the rotating disk 7.

At this time, the posture of the chip on the second transfer lane 22 is as follows:

and a third posture: chip 9 has its top surface facing downward, i.e., the protruding portion 92 of chip 9 faces upward; and the pin 91 faces the center of the upper barrel 2 or the pin 91 faces the barrel wall of the upper barrel 2;

and a fourth posture: the top surface of the chip 9 faces upward, i.e., the projections 92 of the chip 9 face downward; and pin 91 is toward the center of upper barrel 2 or pin 91 is toward the wall of upper barrel 2.

As shown in fig. 13 and 14, when the chip 9 in the third posture passes through the two side boards 221 of the second conveying path 22, the chip 9 in the third posture is received by the board 221 and continues to advance along the board 221 into the third conveying path 23, and when the chip 9 in the fourth posture passes through the two side boards 221 of the second conveying path 22, the chip 9 in the fourth posture is not received by the board 221, and then falls back to the rotary disk 7 from the inclined falling board through the first diversion port 222;

there are only two cases of such chip postures on the third transfer lane 23:

in the fifth posture, the top surface of the chip 9 faces downward, i.e., the protruding portion 92 of the chip 9 faces upward; and pin 91 is directed towards the center of upper barrel 2;

a sixth posture in which the top surface of the chip 9 faces downward, i.e., the convex portion 92 of the chip 9 faces upward; and the pin 91 faces the wall of the upper charging barrel 2;

specifically, as shown in fig. 15 and 16, a second branch opening 233 is arranged at the end of the third conveying passage 23, a second output passage 32 is arranged on the other side of the second branch opening 233, and a first output passage 31 is arranged below the second branch opening 233.

As shown in fig. 15 and 16, the second output channel 32 is provided with a slot 232 and an L-shaped limiting plate 231, the slot 232 is formed on the inner wall of the upper barrel 2, a transverse section of the L-shaped limiting plate 231 is connected to the inner wall of the upper barrel 2, a vertical section is arranged downward, the bottom surface of the transverse section is flush with the upper wall of the slot 232, the starting points of the slot 232 and the L-shaped limiting plate 231 extend into the third conveying channel 23 by a predetermined length, and the distance between the slot 232 and the bottom surface of the third conveying channel 23 is matched with the distance between the clamping plate 221 and the bottom surface of the second conveying channel 22; the starting end of the L-shaped restriction plate 231 has a guide slope. When the chip 9 is conveyed in the sixth posture, the bent portion and the extending portion 911 of the pin 91 are limited in the limiting region formed by the L-shaped limiting plate 231 and the slot 232, and are conveyed to smoothly pass through the second shunting port 233 and enter the second output channel 32; when the chip 9 is conveyed in the fifth posture, the protrusion 92 is not limited in the limit area formed by the L-shaped limit plate 231 and the slot 232, and is not received, but is guided by the guide slope to continue conveying, and falls through the second branch opening 233 to enter the first output channel 31, and the height difference between the first output channel 31 and the second branch opening 233 is controlled as much as possible, so as to prevent the posture of the chip 9 from changing during the falling process.

As shown in fig. 15, the cylinder 216 is also provided at the beginning of the first output channel 31, the L-shaped push plate 217 is also provided at the output end of the cylinder 216, the L-shaped push plate 217 pushes the chip 9 sliding from the second diversion port 233 into the first output channel 31 by the push plate under the action of the cylinder 216 connected thereto, and the sealing plate blocks the outlet of the first output channel 31 during pushing. Thus, the chips 9 entering the first output channel 31 can be pushed and then continuously pushed to be transmitted.

As shown in fig. 1 to 2 and 4, the first output channel 31 and the second output channel 32 extend out of the upper barrel 2.

Specifically, as shown in fig. 1 to 2 and 17 to 18, the control system 3 includes a control box 33, a plurality of support legs 34, a first output channel support rod 36 and a second output channel support rod 37, the control box 33 is rectangular, the control box 33 is disposed on the workbench 1, the support legs 34 are disposed at the top of the control box 33, a top plate 35 is disposed at the top of the support legs 34, the first output channel 31 and the second output channel 32 extend to a position below the top plate 35, and are disposed at the top of the control box 33 through the first output channel support rod 36 and the second output channel support rod 37, sections of the first output channel 31 and the second output channel 32 located below the top plate 35 are straight sections and are parallel to each other, and the first output channel 31 continuously extends out of an area between the top of the control box 33 and the top plate 35 and is connected to the detection device.

The first output duct 31 is a section of the control box 33, and a conveying direction end of the first output duct is arranged obliquely downward. Further, as shown in fig. 4, a cover plate 311 is disposed on the top of a section of the first output channel 31 between the upper barrel 2 and the control box 33, as shown in fig. 1, the vibrator 8 is disposed on one end of the top plate 35 close to the upper barrel 2, the vibration output end of the vibrator 8 contacts with the cover plate 311 for intermittently knocking the cover plate 311, the chip 9 in the first output channel 31 is output more rapidly by vibrating the cover plate 311, and the chip 9 on the section of the first output channel 31 at the control box 33 can be conveyed continuously under the action of vibration when no subsequent chip 9 is pushed.

The reversing mechanism 4 is arranged in the area between the top of the control box 33 and the top plate 35, the tail end of the second output channel 32 is connected with the reversing mechanism 4, and the reversing mechanism 4 is used for turning the chips 9 conveyed by the second output channel 32 by 180 degrees in the horizontal plane and then combining the chips to the first output channel 31 for conveying.

As shown in fig. 17 to 18, in the region between the top of the control box 33 and the ceiling plate 35, the height of the first output lane 31 is smaller than the height of the second output lane 32; the height of the second output lane support rod 37 is greater than the height of the first output lane support rod 36. The end port of the second output channel 32 is provided with a second sealing plate 38, the second sealing plate 38 is connected to the pneumatic lifting rod provided on the top plate 35, and the second sealing plate 38 is used for sealing the end port of the second output channel 32. The sensor 5 is provided on the second output channel support rod 37 and is located below the end port of the second output channel 32.

As shown in fig. 19, a mounting seat 61 is provided on the leg 34 near the first output channel 31, the mounting seat 61 is perpendicular to the leg 34 and extends above the first output channel 31, a first sealing plate 39 is provided at the bottom of the mounting seat 61 and connected to the mounting seat through a pneumatic lifting rod, and the first sealing plate 39 is used for blocking the first output channel 31.

As shown in fig. 19, the inspection camera 6 is mounted on the mounting plate 61 toward the end of the first output lane 31 in the conveying direction, and is used for inspecting whether or not the chip 9 is continuously conveyed toward the end of the conveying direction on the first output lane 31.

Specifically, as shown in fig. 17 to 19, the reversing mechanism 4 is disposed on the control box 33, and includes a motor 41, a rotating disk 42, a set of reversing boxes 43, and a guiding rod 44, the motor 41 is disposed on the top plate 35, an output shaft of the motor 41 passes through the top plate 35 to connect with the rotating disk 42, the reversing boxes 43 are respectively connected to the bottom of the rotating disk 42 through a telescopic rod 431, the two reversing boxes 43 are rotationally symmetrically disposed, the guiding rod 44 is disposed on the top of the control box 33 and located between the two reversing boxes 43, a guiding path disposed in a closed loop is disposed on the guiding rod 44, one side of each of the two reversing boxes 43 fits in the guiding path, the rotating disk 42 is configured to rotate under the action of the motor 41, the telescopic rod 431 drives one side of each of the two reversing boxes 43 to move along the guiding path, so as to achieve the position exchange of the two reversing boxes 43, so as to achieve the use of one of the reversing box 43 to receive the chip 9 conveyed by the second output channel 32, and after the position exchange, the received chips 9 are transferred and combined into the first output channel 31 for further transportation.

Specifically, as shown in fig. 17 to 21, the reversing box 43 includes a strip-shaped box body 432 with an open bottom and a closed end, a group of bottom plates 433 which are symmetrically arranged and slidably fit to the bottom of the box body 432 along the width direction of the box body 432, a support plate 434 connected to one side of the box body 432, a semicircular sleeve 435 connected to the support plate 434, and a pin 436 arranged on the inner wall of the semicircular sleeve 435, wherein a roller is sleeved on the surface of the pin 436.

Specifically, a dovetail boss is arranged at the bottom of the box body 432, a dovetail groove is formed in the bottom plate 433, and the dovetail boss is matched in the dovetail groove, so that the bottom plate 433 and the box body 432 have good stability during relative movement. The outer side of the bottom plate 433 is provided with a pair of ear plates 4331, the ear plates 4331 are provided with a limiting rod 437 in a penetrating way, one end of the limiting rod 437 is connected with the side wall of the box body 432, the other end of the limiting rod 437 is provided with a limiting head, and a spring which is abutted against the side wall of the box body 432 and the ear plates 4331 is arranged on the limiting rod 437 in a penetrating way. The bottom of the bottom plate 433 is provided with a push block 438, and one surface of the push block 438 facing the box body 432 is provided with an inclined surface. When the spring is in a natural state, a gap is formed between the two bottom plates 433, and the gap is set to be sensed by the sensor 5, but the chip 9 carried on the bottom plates 433 can not fall off. The support plate 434 is disposed at the center of one side of the top of the case 432 and extends outward; the semicircular sleeve 435 is arranged at the extending end of the support plate 434; the axis of the pin 436 is perpendicular to the axis of the semicircular sleeve 435; the roller is in rolling fit in the guide path, friction between the pin shaft 436 and the guide path is reduced, so that the reversing box 43 moves more smoothly, and the semicircular sleeve 435 is matched with the outer wall of the guide rod 44.

Specifically, as shown in fig. 22 to 23, the guide path of the guide bar 44 includes: an ascending section 441, a descending section 442, a material taking limiting groove 443 and a material placing limiting groove 444; the material taking limiting groove 443 is positioned on one side of the second output channel 32, the material placing limiting groove 444 is positioned on one side of the first output channel 31, the ascending section 441, the material taking limiting groove 443, the descending section 442 and the material placing limiting groove 444 are sequentially connected end to form a closed loop guide path, wherein the ascending section 441 and the descending section 442 are of an arc-shaped structure, and the material placing limiting groove 444 is in a vertical state.

As shown in fig. 17 to 23, when the reversing box 43 takes the material, the pin 436 is located in the material taking limiting groove 443, the open end of the reversing box 43 is flush with the end port of the second output channel 32, when the chip 9 in the reversing box 43 is full, and the sensor 5 obtains the signal of the chip 9 carried on the bottom plate 433, the pneumatic lifting rods of the first sealing plate 39 and the second sealing plate 38 are started, and the first sealing plate 39 extends into the first output channel 31 to block the chip 9 from continuing to transmit; a second closure plate 38 extends into the end port of the second output duct 32 to close the end port of the second output duct 32. After the camera 6 to be detected detects that the chip 9 at the end section of the first output channel 31 is completely conveyed away; the motor 41 is started to rotate clockwise, so that the reversing box 43 filled with the chips 9 moves downwards along the descending section 442 from the joint of the material taking limiting groove 443 and the descending section 442, the empty reversing box 43 moves upwards along the ascending section 441 from the joint of the material placing limiting groove 444 and the ascending section 441, the reversing box 43 filled with the chips 9 rotates to the material placing limiting groove 444, and the chips are placed into the first output channel 31; the empty reversing box 43 rotates to the material taking limiting groove 443 and is ready for material taking. When the reversing box 43 discharges materials, as the reversing box 43 descends, the inclined surface of the push block 438 is subjected to the resistance of the two side walls of the first output channel 31, so that the bottom plates 433 are pushed away towards the two sides, the spring is stretched, the chip 9 in the reversing box 43 falls out of the reversing box 43, and after the reversing box 43 leaves the first output channel 31, the two bottom plates 433 are drawn towards the middle under the action of the reset tension of the spring until the spring is in a natural state; after the discharging is finished, the first closing plate 39 and the second closing plate 38 are opened, so that the reversing box 43 on the reversing mechanism 4 side can take materials again.

More specifically, as shown in fig. 21, an inclined plane 4332 is disposed on the bottom plate 433, which is inclined from one end to the other end, and the highest point of the inclined plane 4332 is located at the inlet end of the reversing box 43, and the lowest point thereof is flush with the inner wall of the sealing end of the reversing box, so that the chips can enter the reversing box 43 from the second output channel 32 more smoothly, and when the reversing box 43 is filled with chips, the chips are prevented from falling out of the reversing box 43.

The above description is only a preferred embodiment of the invention and is not intended to be exhaustive or to limit the invention to the precise form disclosed. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims

1. The utility model provides a plastic envelope chip detects uses loading attachment which characterized in that, includes feed cylinder (2) and reversing mechanism (4):

the upper charging barrel (2) is of a horn-shaped structure with a large upper part and a small lower part, the top and the bottom of the upper charging barrel are both provided with openings, the inner wall of the upper charging barrel is spirally provided with a first conveying channel (21), a second conveying channel (22) and a third conveying channel (23) which are sequentially arranged from bottom to top, the opening at the bottom of the upper charging barrel (2) is provided with a rotating disc (7) for bearing a chip (9), one end of the chip (9) in the length direction is provided with a pin (91), the other end of the chip is provided with a protruding part (92) of a frame protruding out of a plastic package body, the pin (91) protrudes out of the middle part of one end of the chip (9) and is bent in an S shape to form a protruding section (911), the bottom of the protruding section (911) of the pin (91) is flush with the bottom surface of the chip (9), the outer end of the protruding section (911) has a preset distance with the end surface of the chip (9), and the bottom surface of the protruding part (92) is flush with the bottom surface of the chip (9); the vertical distance between the protruding section (911) and the top surface of the chip (9) is matched with the vertical distance between the protruding part (92) and the top surface of the chip (9);

the inlet of the first conveying channel (21) is in contact with the top surface of the rotating disc (7), and a rotating rod (211) is arranged at the inlet and is used for enabling the top surface of the chip (9) entering the first conveying channel (21) to face upwards or downwards along with the rotation of the rotating disc (7);

the tail section of the first conveying channel (21) is gradually narrowed, and the end part of the tail section is provided with a reversing blanking port (213) positioned above the initial section of the second conveying channel (22) for adjusting the chips (9) entering the second conveying channel (22) from the first conveying channel (21) to be in a posture that the top surfaces are upward or downward and the chips are arranged and conveyed in the width direction; a first shunt port (222) is arranged at the tail end of the second conveying channel (22), the other side of the first shunt port (222) is the starting end of a third conveying channel (23), a first conveying channel (21) is arranged below the first shunt port (222), clamping plates (221) extending into the second conveying channel (22) are arranged on two sides of the third conveying channel (23), and the clamping plates (221) and the first shunt port (222) are matched to be used for enabling the chips (9) with the upward top surfaces to fall back to the first conveying channel (21) through the chips (9) with the downward top surfaces to the third conveying channel (23);

a second shunt port (233) is arranged at the tail end of the third conveying channel (23), a second output channel (32) is arranged on the other side of the second shunt port (233), a first output channel (31) is arranged below the second shunt port (233), and a clamping groove (232) and an L-shaped limiting plate (231) with the starting point extending into the third conveying channel (23) are arranged on the second output channel (32) and used for enabling other chips (9) to fall to the first output channel (31) through pins (91) facing the chips (9) on the inner wall of the upper charging barrel (2) to the second output channel (32);

the initial sections of the first output channel (31) and the second conveying channel (22) are both provided with air cylinders (216), and the output ends of the air cylinders (216) are provided with L-shaped push plates (217);

the reversing mechanism (4) is arranged on one side of the upper charging barrel (2), the first output channel (31) and the second output channel (32) extend out of the upper charging barrel (2) and extend to the reversing mechanism (4), and the reversing mechanism (4) is used for horizontally rotating the chips (9) conveyed by the second output channel (32) by 180 degrees and transferring the chips into the first output channel (31) for continuous conveying.

2. The feeding device for detecting the plastic package chip as recited in claim 1, wherein the slot (232) is formed on the inner wall of the upper barrel (2), the horizontal section of the L-shaped limiting plate (231) is connected to the inner wall of the upper barrel (2), the vertical section is arranged downward, the bottom surface of the horizontal section is flush with the upper wall of the slot (232), and the starting end of the L-shaped limiting plate (231) has a guiding inclined plane.

3. The feeding device for plastic package chip detection according to claim 1, wherein a baffle is arranged at the end of the last section of the first conveying channel (21), a baffle table (212) extending in the opposite direction to the conveying direction of the first conveying channel (21) is arranged inside the baffle, an inclined guide channel (214) is arranged at the bottom of the reversing blanking port (213), a vertical guide channel (215) is arranged at the bottom of the inclined guide channel (214), and the start section of the second conveying channel (22) is located below the vertical guide channel (215).

4. The feeding device for plastic package chip detection according to claim 1, wherein the clamping plate (221) has a distance from the bottom surface of the second conveying channel (22), and the height of the distance matches the vertical distance between the top surface of the chip (9) and the extending section (911) of the pin (91).

5. The feeding device for detecting the plastic package chip as recited in claim 1, wherein the reversing mechanism (4) is disposed at a tail end of the second output channel (32) and disposed on the control box (33), a plurality of support legs (34) are disposed at a top of the control box (33), a top plate (35) is disposed at a top of each support leg (34), the first output channel (31) and the second output channel (32) extend to a position below the top plate (35), sections of the first output channel (31) and the second output channel (32) located below the top plate (35) are straight line segments and are parallel to each other, a height of the first output channel (31) is lower than a height of the second output channel (32), and a front end of the first output channel (31) extends to an outer side of the control box (33) and is connected to the detection equipment.

6. The feeding device for plastic package chip detection according to claim 5, wherein the first output channel (31) is located at a section of the control box (33), a front end of a conveying direction of the first output channel is arranged obliquely downwards, a cover plate (311) is arranged at the top of a section of the first output channel (31) between the upper charging barrel (2) and the control box (33), a vibrator (8) is arranged at one end, close to the upper charging barrel (2), of the top plate (35), and the vibrator (8) is located above the cover plate (311) and is in contact with the cover plate (311) and used for intermittently knocking the cover plate (311).

7. The feeding device for detecting the plastic package chip as recited in claim 5, wherein the reversing mechanism (4) comprises a motor (41), a turntable (42), two reversing boxes (43), and a guide rod (44), the motor (41) is disposed on the top plate (35), an output end of the motor passes through the top plate (35) downwards and then is connected with the turntable (42), the reversing boxes (43) are respectively connected to the bottom of the turntable (42) through a telescopic rod (431), the two reversing boxes (43) are arranged at two sides of the guide rod (44) in a central symmetry manner, the guide rod (44) is disposed at the top of the control box (33), the guide rod (44) is provided with a guide path arranged in a closed loop manner, one side of each of the two reversing boxes (43) is fitted in the guide path, during operation, the motor (41) drives the turntable (42) to rotate, the turntable (42) drives the two reversing boxes (43) to rotate around the guide rod (44) through the telescopic rod (431), and the two reversing boxes (43) move along the track of the guide path to realize the position exchange of the two reversing boxes (43).

8. The feeding device for plastic package chip detection according to claim 7, wherein the reversing box (43) comprises a strip-shaped box body (432) with an open bottom and a closed end, a group of bottom plates (433) which are symmetrically arranged and are in sliding fit with the bottom of the box body (432) along the width direction of the box body (432), a support plate (434) connected to one side of the box body (432), a semicircular sleeve (435) connected to the support plate (434) and a pin shaft (436) arranged on the inner wall of the semicircular sleeve (435), a roller is sleeved on the pin shaft (436), the roller is in rolling fit with the inside of a guide path, and the semicircular sleeve (435) is in fit with the outer wall of the guide rod (44).

9. The feeding device for plastic package chip detection according to claim 8, wherein a pair of ear plates (4331) is disposed outside the bottom plate (433), a limiting rod (437) is disposed on the ear plates (4331), one end of the limiting rod is connected to the side wall of the case body (432), the other end of the limiting rod has a limiting head, a spring abutting against the side wall of the case body (432) and the ear plates (4331) is disposed on the limiting rod (437), a push block (438) is disposed at the bottom of the bottom plate (433), and an inclined surface is disposed on one surface of the push block (438) facing the case body (432).

10. The feeding device for detecting the plastic packaged chip as claimed in claim 7, wherein the guiding path of the guiding rod (44) comprises an ascending section (441), a descending section (442), a material taking limiting groove (443) and a material placing limiting groove (444) which are communicated with each other, the material taking limiting groove (443) is positioned on one side of the second output channel (32), the material placing limiting groove (444) is positioned on one side of the first output channel (31), the ascending section (441) and the descending section (442) are both of an arc structure, and the material placing limiting groove (444) is in a vertical state.